Question: Give me the determination method for Liberia has total fertility rate as 5.105 ?
Paraphrase: what method is used to determine Liberia's fertility rate of 5.105?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q1014 p:P4841 ?s . ?s ps:P4841 ?x filter(contains(?x , '5.105')) . ?s pq:P459 ?value}